Patents by Inventor Katsuyuki Nagai
Katsuyuki Nagai has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11919548Abstract: A driving assistance device is the driving assistance device used in a vehicle capable of switching between autonomous driving and driving that requires operation by the driver, and includes a different vehicle information acquisition unit that acquires autonomous driving information on different vehicles on a traveling road of the vehicle, an autonomous driving ratio acquisition unit that acquires a ratio of autonomous driving in the different vehicles from the autonomous driving information on the different vehicles acquired by the different vehicle information acquisition unit, and a notification control unit that provides information for supporting determination on switching between autonomous driving and driving that requires operation by a driver if the ratio of autonomous driving in the different vehicles is equal to or larger than a predetermined ratio.Type: GrantFiled: August 12, 2021Date of Patent: March 5, 2024Assignee: JVCKENWOOD CorporationInventors: Ryuji Kasahara, Noriyuki Nakazawa, Hitoshi Sunohara, Katsuyuki Nagai
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Publication number: 20230230294Abstract: A video acquisitor acquires a video of a space in which a person exists, the video being imaged by an imager. A video analyzer analyzes the acquired video and detects a place where the person has stayed in the space. A picture constructor constructs display pictures that allow all stay places where the person has stayed to be recognized, from the start of imaging by the imager. The imager may be an imager installed in a room in a building and structure to image a person in the room.Type: ApplicationFiled: March 22, 2023Publication date: July 20, 2023Inventor: Katsuyuki NAGAI
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Publication number: 20220392223Abstract: A recording apparatus includes an imaging data acquisition unit, a movement information acquisition unit, an inter-vehicle detection unit and a recording control unit. The imaging data acquisition unit acquires imaging data and voice data. The movement information acquisition unit acquires movement information including a moving speed of the vehicle. The inter-vehicle detection unit detects an inter-vehicle distance between the vehicle and the other vehicle. The recording control unit determines that a voice recording condition is established when the moving speed of the vehicle is equal to or higher than a preset speed and the inter-vehicle distance is less than a preset distance, and causes the recording unit to record a first imaging data including the video data and the voice data when the voice recording condition is established or a second imaging data including the video data but not the voice data when the condition is not established.Type: ApplicationFiled: June 22, 2022Publication date: December 8, 2022Inventors: Katsuyuki NAGAI, Takayuki ARASE, Akinori SUGATA
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Publication number: 20220192538Abstract: A gait analysis apparatus 10 includes, a data acquisition unit 11 that acquires a three-dimensional point cloud data of a human to be analyzed, a center of gravity location calculation unit 12 that calculates coordinates of a center of gravity location on the three-dimensional point cloud data of the human to be analyzed by using coordinates of each point constituting the acquired three-dimensional point cloud data, and a gait index calculation unit 13 that calculates a gait index of the human to be analyzed by using the calculated center of gravity location.Type: ApplicationFiled: February 12, 2020Publication date: June 23, 2022Applicant: NEC Solution Innovators, LtdInventors: Hiroki TERASHIMA, Katsuyuki NAGAI
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Publication number: 20220180652Abstract: A part detection apparatus (10) including: a data acquisition unit (11) that acquires image data of a human to be subject, a contour extraction unit (12) that extracts an outline representing a contour of the human to be subject, from the acquired image data, and a part detection unit (13) that continuously calculates a curvature radius on the extracted outline and detecting a part of a body of the human to be subject based on a change in the calculated curvature radius.Type: ApplicationFiled: February 12, 2020Publication date: June 9, 2022Applicant: NEC Solution Innovators, Ltd.Inventors: Hiroki TERASHIMA, Katsuyuki NAGAI
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Publication number: 20210370982Abstract: A driving assistance device is the driving assistance device used in a vehicle capable of switching between autonomous driving and driving that requires operation by the driver, and includes a different vehicle information acquisition unit that acquires autonomous driving information on different vehicles on a traveling road of the vehicle, an autonomous driving ratio acquisition unit that acquires a ratio of autonomous driving in the different vehicles from the autonomous driving information on the different vehicles acquired by the different vehicle information acquisition unit, and a notification control unit that provides information for supporting determination on switching between autonomous driving and driving that requires operation by a driver if the ratio of autonomous driving in the different vehicles is equal to or larger than a predetermined ratio.Type: ApplicationFiled: August 12, 2021Publication date: December 2, 2021Inventors: Ryuji Kasahara, Noriyuki Nakazawa, Hitoshi Sunohara, Katsuyuki Nagai
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Publication number: 20210341301Abstract: To prevent a user from passing a section not covered by insurance. A navigation control device includes a map-information acquiring unit that acquires map information, a present-location-information acquiring unit that acquires present location information indicating a position of a present location, an insurance-information acquiring unit that acquires insurance information of an insurance policy taken out by a user, and a section-not-covered-by-insurance-information acquiring unit that acquires, based on the map information acquired by the map-information acquiring unit and the insurance information acquired by the insurance-information acquiring unit, section-not-covered-by-insurance information indicating a section not covered by insurance.Type: ApplicationFiled: July 19, 2021Publication date: November 4, 2021Inventor: Katsuyuki Nagai
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Patent number: 11146755Abstract: A dashcam serving as an on-vehicle image capturing and recording apparatus includes: a cancellation processing unit configured to perform cancellation processing for reducing an electronic device sound on a sound acquired by a surrounding image/sound acquisition unit based on the characteristics of an electronic device sound acquired by an electronic device sound acquisition unit; and an abnormality detection unit configured to detect an abnormality of a vehicle, in which the acquired sound of the surroundings of the vehicle and a cancel sound are temporality recorded, a recording control unit is configured to discard the cancel sound and integrate only the sound of the surroundings of the vehicle with the image and record the integrated data when the abnormality detection unit does not detect an abnormality and otherwise records the cancel sounds and the sounds of the surroundings of the vehicle along with the image as overwriting prohibited data.Type: GrantFiled: September 10, 2020Date of Patent: October 12, 2021Assignee: JVCKENWOOD CORPORATIONInventors: Toshio Mori, Katsuyuki Nagai, Akinori Sugata, Takayuki Arase, Hitoshi Sunohara
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Patent number: 11089977Abstract: A gait analyzing device includes: a data acquisition unit acquiring first image data of a walking user and second image data of the walking user from a different direction, using a depth sensor; a skeletal information creation unit creating skeletal information identifying a position of a joint using depth information; a measurement information creation unit creating measurement information identifying a total number of steps and a ground contact history of left and right feet; a common part extraction unit comparing both instances of measurement information and extracts a part from the skeletal information in the first and second image data where the ground contact history is common; a correction processing unit correcting the skeletal information in the image data having the higher number of frames with the skeletal information in the image data having the lower number of frames; and an analysis processing unit analyzing the user's gait.Type: GrantFiled: March 30, 2017Date of Patent: August 17, 2021Assignee: NEC Solution Innovators, Ltd.Inventors: Hiroki Terashima, Katsuyuki Nagai, Tomomi Kinoshita
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Patent number: 10952648Abstract: Provided is a measurement device including a first acquisition unit that acquires depth information indicating a depth for each two-dimensional position, and a measurement unit that measures a walking state of a test subject by using the depth information.Type: GrantFiled: May 12, 2016Date of Patent: March 23, 2021Assignee: NEC Solution Innovators, Ltd.Inventors: Hisashi Noda, Katsuyuki Nagai, Tomomi Kinoshita, Hiroki Terashima
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Publication number: 20200412999Abstract: A dashcam serving as an on-vehicle image capturing and recording apparatus includes: a cancellation processing unit configured to perform cancellation processing for reducing an electronic device sound on a sound acquired by a surrounding image/sound acquisition unit based on the characteristics of an electronic device sound acquired by an electronic device sound acquisition unit; and an abnormality detection unit configured to detect an abnormality of a vehicle, in which the acquired sound of the surroundings of the vehicle and a cancel sound are temporality recorded, a recording control unit is configured to discard the cancel sound and integrate only the sound of the surroundings of the vehicle with the image and record the integrated data when the abnormality detection unit does not detect an abnormality and otherwise records the cancel sounds and the sounds of the surroundings of the vehicle along with the image as overwriting prohibited data.Type: ApplicationFiled: September 10, 2020Publication date: December 31, 2020Applicant: JVCKENWOOD CORPORATIONInventors: Toshio MORI, Katsuyuki NAGAI, Akinori SUGATA, Takayuki ARASE, Hitoshi SUNOHARA
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Patent number: 10861192Abstract: A vehicle device includes a video acquisition unit configured to acquire videos captured by cameras configured to capture surroundings of a vehicle; a light emission controller configured to control light emission of a light beam pattern which is emitted by light emitting devices and with which the ground is irradiated at certain positions with respect to the vehicle; an image processing unit 24 configured to generate, using the videos acquired, a bird's-eye view video including the light beam pattern; a superimposing image generation unit configured to generate a superimposing image at a position corresponding to the light beam pattern included in the bird's-eye view video; and an image determination processing unit 27 configured to detect, in the bird's-eye view video, an overlapping portion of the superimposing image and an image of the light beam pattern and determine whether camera parameters for generating the bird's-eye view video are accurately calibrated.Type: GrantFiled: February 11, 2020Date of Patent: December 8, 2020Assignee: JVCKENWOOD CorporationInventors: Katsuyuki Nagai, Takayuki Arase
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Patent number: 10803762Abstract: The present invention is intended to provide a body motion grading system that allows the grading less likely to be affected by the difference among the builds of target persons subjected to grading. The present invention provides body motion grading system (1) including body position information acquisition unit (11) configured to acquire body position information of a target person subjected to grading in time series, body part recognition unit (12) configured to recognize a position of each part in the acquired body position information in time series and relatively recognize positions of body parts with reference to a certain body part, body motion grading unit (13) configured to conduct grading by comparing a position of a body part recognized by the body part recognition unit with a preliminarily prepared comparison condition in time series, and grading result display unit (14) configured to display a grading result.Type: GrantFiled: February 18, 2014Date of Patent: October 13, 2020Assignee: NEC SOLUTION INNOVATORS, LTDInventors: Katsuyuki Nagai, Koji Morishita, Hisashi Noda
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Patent number: 10796449Abstract: To measure the position of a walking user's toe tip, a measurement device includes: a data acquisition unit that acquires, from a depth sensor capturing an image of a walking path and outputting image data having a depth of each pixel added thereto, image data in which no user is on the path as reference data and image data in which a user is walking on the path as walking data; a specific pixel extraction unit that identifies a depth-sensor side foot based on the walking data and reference data and extracts, based on the depth, a pixel corresponding to a toe-tip among the pixels of the specified foot; and a position calculation unit that calculates three-dimensional coordinates of the extracted pixel based on the coordinates in the image data and the depth of the pixel, and takes the three-dimensional coordinates as the position of the user's toe tip.Type: GrantFiled: March 27, 2017Date of Patent: October 6, 2020Assignee: NEC Solution Innovators, Ltd.Inventors: Hiroki Terashima, Katsuyuki Nagai, Tomomi Kinoshita
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Patent number: 10703271Abstract: An image acquisition unit acquires an image around a vehicle. A generator generates a bird's-eye image based on the acquired image. A road surface information acquisition unit acquires information on a road surface around the vehicle. A road surface determination unit determines whether a road surface that requires attention is found by referring to the acquired information on the road surface. When it is determined that a road surface that requires attention is found, an image processor superimposes an image showing the road surface that requires attention on the bird's-eye image.Type: GrantFiled: July 13, 2018Date of Patent: July 7, 2020Assignee: JVC KENWOOD CORPORATIONInventor: Katsuyuki Nagai
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Publication number: 20200175722Abstract: A vehicle device includes a video acquisition unit configured to acquire videos captured by cameras configured to capture surroundings of a vehicle; a light emission controller configured to control light emission of a light beam pattern which is emitted by light emitting devices and with which the ground is irradiated at certain positions with respect to the vehicle; an image processing unit 24 configured to generate, using the videos acquired, a bird's-eye view video including the light beam pattern; a superimposing image generation unit configured to generate a superimposing image at a position corresponding to the light beam pattern included in the bird's-eye view video; and an image determination processing unit 27 configured to detect, in the bird's-eye view video, an overlapping portion of the superimposing image and an image of the light beam pattern and determine whether camera parameters for generating the bird's-eye view video are accurately calibrated.Type: ApplicationFiled: February 11, 2020Publication date: June 4, 2020Inventors: Katsuyuki Nagai, Takayuki Arase
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Patent number: 10634786Abstract: Decrease in a measurable distance that occurs when a distance measuring light is obliquely incident on an object is suppressed. A distance measuring device 100 includes an emitting unit 103, a detecting unit 104, a frequency-modulated component separating unit 105, a selecting unit 107, and a distance calculating unit 108. The emitting unit 103 emits distance measuring light to an object to be measured. The distance measuring light is modulated by multiple modulation frequencies. The detecting unit 104 receives and detects light of the distance measuring light that is reflected from the object. The separating unit 105 separates components of the received reflected light into multiple frequency-modulated components. The selecting unit 107 selects a frequency-modulated component that has a received-light intensity exceeding a threshold value from among the separated multiple modulation frequencies.Type: GrantFiled: February 15, 2017Date of Patent: April 28, 2020Assignee: TOPCON CORPORATIONInventors: Katsuyuki Nagai, Takahiro Maehara, Jun Abe
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Patent number: 10359920Abstract: An object management device 10 includes: a group setting unit 11 that, if a frame line surrounding objects on a screen is rendered, sets a group to which the one or more objects located inside of the frame line are to belong; a position detection unit 12 that detects positions of the one or more objects belonging to the set group, using the frame line as a reference; and a group moving unit 13 that, if movement is instructed for the group, moves the frame line and the one or more objects in a state in which the positional relationships therebetween are maintained, based on the detected positions of the one or more objects.Type: GrantFiled: September 1, 2015Date of Patent: July 23, 2019Assignee: NEC SOLUTION INNOVATORS, LTD.Inventors: Hisashi Noda, Katsuyuki Nagai, Tomomi Kinoshita, Hiroki Terashima
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Publication number: 20190080472Abstract: To measure the position of a toe tip of a walking user, a measurement device 10 includes: a data acquisition unit 11 that acquires, from a depth sensor disposed so as to capture an image of a walking path and a space thereabove and outputting image data having a depth of each pixel added thereto, image data for a state in which there is no user on the walking path as reference data and image data for a state in which a user is walking on the walking path as walking data; a specific pixel extraction unit 12 that identifies a depth-sensor side foot from a difference between the walking data and the reference data and extracts, on the basis of the depth, a pixel corresponding to a toe-tip part among the pixels of the specified foot; and a position calculation unit 13 that calculates three-dimensional coordinates of the extracted pixel on the basis of the coordinates in the image data and the depth of the pixel, and takes the three-dimensional coordinates as the position of the toe tip of the user.Type: ApplicationFiled: March 27, 2017Publication date: March 14, 2019Applicant: NEC Solution Innovators, Ltd.Inventors: Hiroki TERASHIMA, Katsuyuki NAGAI, Tomomi KINOSHITA
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Publication number: 20190076060Abstract: A gait analyzing device includes: a data acquisition unit acquiring first image data of a walking user and second image data of the walking user from a different direction, using a depth sensor; a skeletal information creation unit creating skeletal information identifying a position of a joint using depth information; a measurement information creation unit creating measurement information identifying a total number of steps and a ground contact history of left and right feet; a common part extraction unit comparing both instances of measurement information and extracts a part from the skeletal information in the first and second image data where the ground contact history is common; a correction processing unit correcting the skeletal information in the image data having the higher number of frames with the skeletal information in the image data having the lower number of frames; and an analysis processing unit analyzing the user's gait.Type: ApplicationFiled: March 30, 2017Publication date: March 14, 2019Applicant: NEC Solution Innovators, Ltd.Inventors: Hiroki TERASHIMA, Katsuyuki NAGAI, Tomomi KINOSHITA